1000BASE-EX (LX), Small Form-factor Pluggable (SFP), 1310nm Transmitter Wavelength, LC Connector, Single-mode Fiber (SMF), up to 40km reach, Extended Operating Temperature Range
100BASE-LX10, Small Form-factor Pluggable (SFP), 1310nm Transmitter Wavelength, Single-mode Fiber (SMF), up to 10km reach, Industrial Temperature Range